CN111673047B - Gear casting mould - Google Patents
Gear casting mould Download PDFInfo
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- CN111673047B CN111673047B CN202010751329.7A CN202010751329A CN111673047B CN 111673047 B CN111673047 B CN 111673047B CN 202010751329 A CN202010751329 A CN 202010751329A CN 111673047 B CN111673047 B CN 111673047B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
- B22D29/06—Strippers actuated by fluid pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention relates to a gear casting mold which comprises a fixing frame, a casting mold, an extruding device, a rotating device and a cleaning device. The formed gear is ejected out from bottom to top through the extrusion device, so that a worker can take out the gear conveniently; after the gear is taken out, the cleaning device cleans residues in the casting mold, so that the cleanness in the casting mold is ensured during the next casting, and the casting quality is improved.
Description
Technical Field
The invention relates to the field of casting molds, in particular to a gear casting mold.
Background
The gear is a mechanical element with a gear on a wheel rim for continuously meshing and transmitting motion and power, along with the development of production, the stability of gear running is emphasized,the gear can be processed by castingAfter melting, the metal is poured into a casting mold to form a predetermined shape.
The following problems are present in the process of casting gears:
(1) when the cast gear is in the casting mold, workers cannot directly take out the gear, and the gear falls off by turning over the casting mold, so that the workload is increased, and the gear falls off to cause collision, which may cause the position of the gear to be sunken;
(2) after the gear is cast by the casting mold, residues are adhered in the casting mold, and the residues can affect the next casting, so that the gear casting quality is reduced.
In order to solve the above problems, the present invention provides a gear casting mold.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: the utility model provides a gear casting mould, includes mount, casting mould, extrusion device, rotary device and cleaning device, and the casting mould is installed in the upper end of mount, and extrusion device is installed to the below of casting mould, and rotary device installs both ends about the mount upside, and cleaning device installs the downside at the mount, wherein:
the fixing frame comprises a left fixing plate, a right fixing plate and a bottom plate, and the lower ends of the left fixing plate and the right fixing plate are connected through the bottom plate;
the casting mould comprises a mould cover, a mould core and a mould seat, wherein the upper end of the mould seat is provided with a circular groove, the mould core is placed in the corresponding circular groove, the outer wall of the mould core is attached to the inner wall of the circular groove, the mould cover is placed on the mould seat, and the lower end surface of the mould cover is attached to the mould core; when the mold works, a worker pours the melted iron liquid into the mold core and covers the mold cover.
The extrusion device comprises an inner concave plate, a fixing screw and a U-shaped frame, the die comprises a connecting rod, a top plate and an extrusion cylinder, wherein the inner concave plate is uniformly provided with threaded holes along the circumferential direction and the lower end face of the inner concave plate, the threaded holes are formed in the periphery and the lower end face of the lower side of a die seat, the die seat is fixed on the upper end face of the middle part of the inner concave plate in a threaded fit manner through fixing screws and threaded holes, a U-shaped frame is installed on the lower end face of the inner concave plate, a through hole is formed in the middle part of the lower end face of the inner concave plate, the through hole is formed in the inner wall of a die core from the lower end face of the inner concave plate, a plate groove is formed in the middle part of the inner wall of the die core, the plate groove is communicated with the through hole, the top plate is arranged in the plate groove, the lower end face of the; the during operation, cool off into the gear shape when the iron liquid, start and extrude the cylinder, extrude the flexible end rebound of cylinder, extrude the cylinder and drive roof rebound through the connecting rod, roof rebound extrudees the gear that solidifies from up down, at this moment the staff takes off the gear.
The rotating device comprises an L-shaped plate, a rotating shaft and a rotating handle, the L-shaped plate is arranged at the left bottom angle and the right bottom angle of the inner concave plate, the left bottom angle and the right bottom angle of the inner concave plate correspond to the inner angle of the L-shaped plate, the rotating shaft is arranged on the outer wall of the L-shaped plate, the middle part of the rotating shaft is respectively arranged at the upper sides of the left fixed plate and the right fixed plate in a sliding fit mode, the right end of the rotating shaft arranged on the right fixed plate is provided with an installation groove, and the rotating handle is arranged in the installation groove in; during operation, after the gear is taken down, the staff manually rotates the rotating handle, and the casting mould is rotated 180 degrees.
The cleaning device comprises a boss, a cleaning rod, a gear wheel, a pinion, a transmission shaft, a rotating motor, a connecting plate and a pushing cylinder, wherein the left end and the right end of the boss are respectively arranged in the middle parts of a left fixing plate and a right fixing plate in a sliding fit mode, round holes are uniformly formed in the upper end of the boss along the circumferential direction of the boss, the lower side of the cleaning rod is arranged in the round holes in a rotating fit mode, a rectangular groove is formed in the boss, the gear wheel is arranged in the middle part of the rectangular groove in a rotating fit mode, the pinion is uniformly arranged in the gear wheel in the circumferential direction of the gear wheel in a gear meshing mode, the positions of the pinion and the positions of the round holes are in up-down one-to-one correspondence, the upper end of the pinion is connected with, the lower terminal surface of transmission shaft is connected with the output shaft that rotates the motor through the shaft coupling, rotates the motor and installs in the up end middle part of connecting plate, and both ends are installed respectively through sliding fit mode at left fixed plate and right fixed plate downside about the connecting plate, and the lower terminal surface middle part of connecting plate is connected with the flexible end that promotes the cylinder, and the up end middle part at the bottom plate is installed to the stiff end that promotes the cylinder. When the cleaning rod works, the rotating motor is started, an output shaft of the rotating motor drives the large gear to rotate through the transmission shaft, the large gear drives the small gear to rotate through gear meshing with the small gear, and the small gear drives the cleaning rod to rotate; and meanwhile, the pushing cylinder is started, the telescopic end of the pushing cylinder moves upwards to drive the rotating motor and the boss to move upwards through the connecting plate, and the residual scrap iron in the die core is cleaned, so that the cleanness in the casting die is ensured when the next casting is carried out, and the casting quality is improved.
Preferably, the height of the die core is smaller than that of the circular groove.
Preferably, the upper end face of the top plate and the inner wall of the lower end of the mold core are in the same horizontal plane, and the size of the top plate is the same as that of the plate groove.
Preferably, the sweeping rod comprises a round rod and cleaning steel wires, and the cleaning steel wires are uniformly arranged on the upper end surface and the outer wall of the round rod; the pinion drives the cleaning steel wire to do circular motion through the round rod, so that the effect of cleaning the die core is achieved.
Preferably, the number of the circular holes on the boss is the same as the number of the gear teeth of the mold core to be cast.
Preferably, the positions of the round holes on the bosses are in one-to-one correspondence with the positions of gear teeth of the gears cast in the die core.
Preferably, the rotating handle is detachably mounted, so that a worker is prevented from touching the rotating handle in the casting process to cause the inclination of the casting mold.
Preferably, the mounting groove is a straight-line concave structure, and the mounting end of the rotary handle is a straight-line convex structure.
The invention has the beneficial effects that:
1. according to the invention, the formed gear is ejected from bottom to top through the extrusion device, so that a worker can take out the gear conveniently, and residues in the casting mold are cleaned after the gear is taken out through the cleaning device, so that the cleanness in the casting mold is ensured during the next casting, and the casting quality is improved.
2. The extrusion cylinder of the extrusion device provided by the invention drives the top plate to move upwards through the connecting rod, and the solidified gear is extruded from bottom to top by the upward movement of the top plate, so that the gear can be conveniently taken out by a worker.
3. The rotary motor of the cleaning device designed by the invention drives the big gear to rotate through the transmission shaft, and the big gear drives the cleaning rod to rotate through the gear meshing between the big gear and the small gear; meanwhile, the pushing cylinder drives the connecting plate and the boss to move upwards through the connecting plate, and the residual iron chips in the die core are cleaned, so that the cleanness in the casting die is guaranteed when the next casting is carried out, and the casting quality is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front sectional view of the present invention;
FIG. 2 is a cross-sectional view of the cooperation between the die core, die holder and top plate of the present invention;
FIG. 3 is a top cross-sectional view of the mold cover of the present invention;
FIG. 4 is a right side sectional view of a rotating shaft of the present invention;
FIG. 5 is a left side sectional view of the twist grip of the present invention;
FIG. 6 is a cross-sectional view of the fit between the bull gear and pinion gears of the present invention;
fig. 7 is a perspective view of the gear of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 7, a gear casting mold comprises a fixing frame 1, a casting mold 2, an extruding device 3, a rotating device and a cleaning device, wherein the casting mold 2 is installed at the upper end of the fixing frame 1, the extruding device 3 is installed below the casting mold 2, the rotating device is installed at the left end and the right end of the upper side of the fixing frame 1, and the cleaning device is installed at the lower side of the fixing frame 1, wherein:
the fixing frame 1 comprises a left fixing plate 11, a right fixing plate 12 and a bottom plate 13, and the lower ends of the left fixing plate 11 and the right fixing plate 12 are connected through the bottom plate 13;
the casting mold 2 comprises a mold cover 21, a mold core 22 and a mold base 23, the upper end of the mold base 23 is provided with a circular groove, the mold core 22 is placed in the corresponding circular groove, the outer wall of the mold core 22 is attached to the inner wall of the circular groove, the mold cover 21 is placed on the mold base 23, and the lower end face of the mold cover 21 is attached to the mold core 22; the height of the die core 22 is less than the height of the circular groove; in operation, the worker pours the melted molten iron into the mold core 22 and covers the mold cover 21.
The extrusion device 3 comprises an inner concave plate 31, fixing screws 32, a U-shaped frame 33, a connecting rod 34, a top plate 35 and an extrusion cylinder 36, wherein the inner concave plate 31 is uniformly provided with threaded holes along the circumferential direction and the lower end surface, the threaded holes are formed in the periphery and the lower end surface of the lower side of a die seat 23, the die seat 23 is fixed on the upper end surface of the middle part of the inner concave plate 31 through the fixing screws 32 and the threaded holes in a threaded fit manner, the U-shaped frame 33 is installed on the lower end surface of the inner concave plate 31, a through hole is formed in the middle part of the lower end surface of the inner concave plate 31 and is formed in the inner wall of a die core 22, a plate groove is formed in the middle part of the inner wall of the die core 22 and is communicated with the through hole, the top plate 35 is arranged in the plate groove, the lower end surface of the top plate 35 is connected with the upper end surface of, an extrusion cylinder 36 is arranged in the middle of the upper end face of the U-shaped frame 33; the upper end surface of the top plate 35 and the inner wall of the lower end of the die core 22 are in the same horizontal plane, and the size of the top plate 35 is the same as that of the plate groove; during operation, when the molten iron has cooled into the gear shape, start extrusion cylinder 36, extrusion cylinder 36's flexible end rebound, extrusion cylinder 36 drives roof 35 rebound through connecting rod 34, and roof 35 rebound extrudes the gear that solidifies from the bottom up, and at this moment the staff takes off the gear.
The rotating device comprises an L-shaped plate 41, a rotating shaft 42 and a rotating handle 43, the L-shaped plate 41 is installed at the left bottom angle and the right bottom angle of the inner concave plate 31, the left bottom angle and the right bottom angle of the inner concave plate 31 correspond to the inner angle position of the L-shaped plate 41, the rotating shaft 42 is installed on the outer wall of the L-shaped plate 41, the middle parts of the rotating shafts 42 are installed on the upper sides of the left fixing plate 11 and the right fixing plate 12 respectively in a sliding fit mode, an installation groove is formed in the right end of the rotating shaft 42 installed on the right fixing plate 12, and the rotating handle 43 is installed in the installation; the rotating handle 43 is detachably mounted, so that the phenomenon that a casting mold is inclined due to the fact that a worker touches the rotating handle 43 in the casting process is avoided; the mounting groove is of a straight-line concave structure, and the mounting end of the rotating handle 43 is of a straight-line convex structure; the number of the circular holes on the boss 51 is the same as the number of the gear teeth to be cast of the die core 22; the positions of the round holes on the bosses 51 correspond to the positions of gear teeth of the gear cast in the mold core 22 one by one up and down; in operation, after the gear is removed, the worker manually rotates the rotating handle 43 to rotate the casting mold 2 by 180 degrees.
The cleaning device comprises a boss 51, a cleaning rod 52, a large gear 53, a small gear 54, a transmission shaft 55, a rotating motor 56, a connecting plate 57 and a pushing cylinder 58, wherein the left end and the right end of the boss 51 are respectively arranged in the middle parts of a left fixing plate 11 and a right fixing plate 12 in a sliding fit mode, round holes are uniformly formed in the upper end of the boss 51 along the circumferential direction of the boss, the lower side of the cleaning rod 52 is arranged in the round holes in a rotating fit mode, a rectangular groove is formed in the boss 51, the large gear 53 is arranged in the middle part of the rectangular groove in a rotating fit mode, the small gear 54 is uniformly arranged on the large gear 53 along the circumferential direction in a gear meshing mode, the positions of the small gears 54 and the positions of the round holes are in one-to-one correspondence from top to bottom, the upper end, the upper end surface of the transmission shaft 55 is connected with the middle part of the lower end surface of the large gear 53, the lower end surface of the transmission shaft 55 is connected with an output shaft of a rotating motor 56 through a coupler, the rotating motor 56 is installed in the middle part of the upper end surface of a connecting plate 57, the left end and the right end of the connecting plate 57 are installed on the lower sides of the left fixing plate 11 and the right fixing plate 12 respectively in a sliding fit mode, the middle part of the lower end surface of the connecting plate 57 is connected with the telescopic end of a pushing cylinder 58, and the fixed end of the; the sweeping rod 52 comprises a round rod 521 and cleaning steel wires 522, and the cleaning steel wires 522 are uniformly arranged on the upper end surface and the outer wall of the round rod 521; the pinion 54 drives the cleaning steel wire 522 to do circular motion through the round rod 521, so that the effect of cleaning the die core 22 is achieved; when the cleaning device works, the rotating motor 56 is started, the output shaft of the rotating motor 56 drives the large gear 53 to rotate through the transmission shaft 55, the large gear 53 drives the small gear 54 to rotate through gear meshing with the small gear 54, and the small gear 54 drives the cleaning rod 52 to rotate; meanwhile, the pushing cylinder 58 is started, the telescopic end of the pushing cylinder 58 moves upwards to drive the rotating motor 56 and the boss 51 to move upwards through the connecting plate 57, and residual scrap iron in the die core 22 is cleaned, so that the cleanness in a casting die is guaranteed when the next casting is carried out, and the casting quality is improved.
In addition, the invention also comprises a gear casting process which is mainly completed by matching the gear casting mold, and the gear casting process comprises the following steps:
the first step is as follows: the worker pours the melted iron liquid into the mold core 22 and covers the mold cover 21;
the second step is that: when the molten iron is cooled to form a gear shape, the telescopic end of the extrusion cylinder 36 drives the top plate 35 to move upwards through the connecting rod 34, the top plate 35 moves upwards to drive the formed gear to be extruded from bottom to top, and at the moment, the gear is taken down by a worker;
the third step: after the gear is taken down, the worker manually rotates the rotating handle 43 to rotate the casting mold 2 by 180 degrees;
the fourth step: when the output shaft of the rotating motor 56 drives the large gear 53 to rotate through the transmission shaft 55, the large gear 53 drives the small gear 54 to rotate through gear meshing with the small gear 54, and the small gear 54 drives the cleaning rod 52 to rotate; meanwhile, the telescopic end of the pushing cylinder 58 moves upwards to drive the rotating motor 56 and the boss 51 to move upwards through the connecting plate 57, so that residual scrap iron in the die core 22 is cleaned.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a gear casting mould, includes mount (1), casting mould (2), extrusion device (3), rotary device and cleaning device, its characterized in that: casting mould (2) are installed in the upper end of mount (1), and extrusion device (3) are installed to the below of casting mould (2), and rotary device installs both ends about mount (1) upside, and cleaning device installs the downside at mount (1), wherein:
the fixing frame (1) comprises a left fixing plate (11), a right fixing plate (12) and a bottom plate (13), and the lower ends of the left fixing plate (11) and the right fixing plate (12) are connected through the bottom plate (13);
the casting mold (2) comprises a mold cover (21), a mold core (22) and a mold base (23), a circular groove is formed in the upper end of the mold base (23), the mold core (22) is placed in the corresponding circular groove, the outer wall of the mold core (22) is attached to the inner wall of the circular groove, the mold cover (21) is placed on the mold base (23), and the lower end face of the mold cover (21) is attached to the mold core (22);
the extrusion device (3) comprises an inner concave plate (31), fixing screws (32), a U-shaped frame (33), a connecting rod (34), a top plate (35) and an extrusion cylinder (36), wherein the inner concave plate (31) is uniformly provided with threaded holes along the four circumferential direction and the lower end face, the threaded holes are formed in the periphery and the lower end face of the lower side of a die seat (23), the die seat (23) is fixed on the upper end face of the middle part of the inner concave plate (31) in a threaded fit manner through the fixing screws (32) and the threaded holes, the U-shaped frame (33) is installed on the lower end face of the inner concave plate (31), a through hole is formed in the middle part of the lower end face of the inner concave plate (31), the through hole is formed in the inner wall of a die core (22) from the lower end face of the inner concave plate (31), a plate groove is formed in the middle part of the inner wall of the die core (22), the plate groove is communicated with, the connecting rod (34) is installed in the through hole in a sliding fit mode, the lower end face of the connecting rod (34) is connected with the telescopic end of the extrusion cylinder (36), and the middle of the upper end face of the U-shaped frame (33) is provided with the extrusion cylinder (36);
the rotating device comprises an L-shaped plate (41), a rotating shaft (42) and a rotating handle (43), the L-shaped plate (41) is installed at the left bottom angle and the right bottom angle of the inner concave plate (31), the left bottom angle and the right bottom angle of the inner concave plate (31) correspond to the inner angle of the L-shaped plate (41), the rotating shaft (42) is installed on the outer wall of the L-shaped plate (41), the middle part of the rotating shaft (42) is installed on the upper sides of the left fixing plate (11) and the right fixing plate (12) respectively in a sliding fit mode, an installation groove is formed in the right end of the rotating shaft (42) installed on the right fixing plate (12), and the rotating handle (43) is installed in the installation groove;
the cleaning device comprises a boss (51), a cleaning rod (52), a large gear (53), a small gear (54), a transmission shaft (55), a rotating motor (56), a connecting plate (57) and a pushing cylinder (58), wherein the left end and the right end of the boss (51) are respectively installed in the middle of a left fixing plate (11) and a right fixing plate (12) in a sliding fit mode, round holes are uniformly formed in the upper end of the boss (51) along the circumferential direction of the boss, the lower side of the cleaning rod (52) is installed in the round holes in a rotating fit mode, a rectangular groove is formed in the boss (51), the large gear (53) is installed in the middle of the rectangular groove in a rotating fit mode, the small gears (54) are uniformly installed in the large gear (53) along the circumferential direction of the large gear through a gear meshing mode, the positions of the small gears (54) correspond to the round holes one by one, the connecting hole has been seted up at boss (51) lower terminal surface middle part, the connecting hole is provided with transmission shaft (55) through the normal running fit mode, the up end of transmission shaft (55) is connected with big gear (53) lower terminal surface middle part, the lower terminal surface of transmission shaft (55) is connected with the output shaft of rotating motor (56) through the shaft coupling, rotating motor (56) is installed in the up end middle part of connecting plate (57), install at left fixed plate (11) and right fixed plate (12) downside through the sliding fit mode respectively at both ends about connecting plate (57), the lower terminal surface middle part of connecting plate (57) is connected with the flexible end that promotes cylinder (58), the up end middle part at bottom plate (13) is installed to the stiff end that promotes cylinder (58).
2. The gear casting mold of claim 1, wherein: the height of the die core (22) is smaller than that of the circular groove.
3. The gear casting mold of claim 1, wherein: the upper end face of the top plate (35) and the inner wall of the lower end of the die core (22) are in the same horizontal plane, and the size of the top plate (35) is the same as that of the plate groove.
4. The gear casting mold of claim 1, wherein: the sweeping rod (52) comprises a round rod
(521) And the cleaning steel wires (522) are uniformly arranged on the upper end surface and the outer wall of the round rod (521).
5. The gear casting mold of claim 1, wherein: the number of the round holes on the boss (51) is the same as that of gear teeth to be cast of the die core (22).
6. The gear casting mold of claim 1, wherein: the positions of the round holes on the bosses (51) are in one-to-one correspondence with the positions of gear teeth of the gears cast in the mold core (22).
7. The gear casting mold of claim 1, wherein: the rotating handle (43) is detachably mounted.
8. The gear casting mold of claim 1, wherein: the mounting groove is of a straight-line concave structure, and the mounting end of the rotating handle (43) is of a straight-line convex structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751329.7A CN111673047B (en) | 2020-07-30 | 2020-07-30 | Gear casting mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751329.7A CN111673047B (en) | 2020-07-30 | 2020-07-30 | Gear casting mould |
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| Publication Number | Publication Date |
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| CN111673047A CN111673047A (en) | 2020-09-18 |
| CN111673047B true CN111673047B (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751329.7A Active CN111673047B (en) | 2020-07-30 | 2020-07-30 | Gear casting mould |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719260B (en) * | 2020-12-22 | 2022-03-22 | 沈阳强强重工有限公司 | Gear casting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10166140A (en) * | 1996-12-09 | 1998-06-23 | Kawasaki Heavy Ind Ltd | Cleaning device for casting mold |
| CN208681961U (en) * | 2018-08-06 | 2019-04-02 | 常州硕锋模具科技有限公司 | A kind of injection mold of easy cleaning |
| CN209272434U (en) * | 2018-08-13 | 2019-08-20 | 苏州卡迪斯精密模具有限公司 | A kind of die casting with cavity jacking mechanism |
| CN210730961U (en) * | 2019-10-24 | 2020-06-12 | 苏州兰德精密机械有限公司 | Core box mould with ejection mechanism |
-
2020
- 2020-07-30 CN CN202010751329.7A patent/CN111673047B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10166140A (en) * | 1996-12-09 | 1998-06-23 | Kawasaki Heavy Ind Ltd | Cleaning device for casting mold |
| CN208681961U (en) * | 2018-08-06 | 2019-04-02 | 常州硕锋模具科技有限公司 | A kind of injection mold of easy cleaning |
| CN209272434U (en) * | 2018-08-13 | 2019-08-20 | 苏州卡迪斯精密模具有限公司 | A kind of die casting with cavity jacking mechanism |
| CN210730961U (en) * | 2019-10-24 | 2020-06-12 | 苏州兰德精密机械有限公司 | Core box mould with ejection mechanism |
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| CN111673047A (en) | 2020-09-18 |
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Effective date of registration: 20210524 Address after: 422800 Hardware Technology Industrial Park, xianchaqiao Town, Shaodong county, Shaoyang City, Hunan Province Applicant after: Hunan Shaofeng New Material Technology Co.,Ltd. Address before: No. 183, Linxian Road, Baishuiyang Town, Linhai City, Taizhou City, Zhejiang Province Applicant before: Ni Junji |
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